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Distribution of sedimentary organic matter in a mixed carbonate-siliciclastic platform environment: Oxfordian of the Swiss Jura Mountains by BERNARD PITTET; GEORGES E. GORIN is a Earth and Planetary Sciences article available to read on EtoBox.
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## ABSTRACT Outcrop sections from the Swiss Jura, consisting of carbonate‐siliciclastic deposits spanning the Middle‐Late Oxfordian boundary, provide a palaeogeographical cross‐section ranging from coastal to shallow platform and intra‐platform basin environments. Using a sedimentological and a 3rd order sequence stratigraphic framework based on those sections, the distribution of sedimentary organic matter (palynofacies) has been spatially studied in relation to sequence stratigraphy. The main factors influencing the spatial variations of sedimentary organic matter are the proximity of land, organic productivity, level of biodegradation and hydrodynamic conditions of the palaeoenvironment. These factors determine the distribution of the land‐derived, relatively allochthonous organic constituents (phytoclasts, pollen and spores), and marine, relatively autochthonous constituents (phytoplankton and foraminifera linings). Five main palynofacies parameters appear as good indicators of proximal‐distal trends: the relative proportion of total phytoclasts; the proportion of fresh, translucent fragments among these phytoclasts; the ratio of marine to continental palynomorphs; and the rela
Who reads Distribution of sedimentary organic matter in a mixed carbonate-siliciclastic platform environment: Oxfordian of the Swiss Jura Mountains?
It is typically read by researchers, students, and practitioners in Earth and Planetary Sciences.
- Author
- BERNARD PITTET; GEORGES E. GORIN
- Publisher
- John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 1469-3496)
- Published
- 1997
- Language
- EN
- Field
- Earth and Planetary Sciences (Physical Sciences)